/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package Controller;

import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import static java.nio.charset.StandardCharsets.UTF_8;
import java.util.Hashtable;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author bienphongvnn
 */
@WebServlet(name = "DatVeController", urlPatterns = {"/DatVeController"})
public class DatVeController extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            try {
                String TITLE = "ĐĂNG KÝ TÀI KHOẢN";
                String CONTENT = "";
                StringWriter content = new StringWriter();
                HttpSession session = request.getSession();
                // Khởi tạo tham số để đăng ký
                String khachhang = request.getParameter("MaKhachHang");
                String ngaydatve = request.getParameter("NgayDatVe");
                String tuyentau = request.getParameter("TuyenTau");
                String chuyentau = request.getParameter("ChuyenTau");
                String loaitau = request.getParameter("LoaiTau");
                String loaitoa = request.getParameter("LoaiToa");
                double giave = Model.GiaVeModel.layTien(tuyentau);
                double tisuat = 0;
                if (loaitau.equals("hangsang")) {
                    if (loaitoa.equals("giuongnam")) {
                        tisuat = (giave * 20) / 100;
                        giave = giave + tisuat;
                    } else {
                        tisuat = (giave * 10) / 100;
                        giave = giave + tisuat;
                    }
                } else {
                    if (loaitoa.equals("giuongnam")) {
                        tisuat = (giave * 10) / 100;
                        giave = giave + tisuat;
                    } else {
                        giave = giave;
                    }
                }
                if (khachhang != null) {
                    synchronized (session) {
                        session.setAttribute("ISREGISTER", true);
                        session.setAttribute("KHACHHANG", khachhang);
                        session.setAttribute("NGAYDATVE", ngaydatve);
                        session.setAttribute("TUYENTAU", tuyentau);
                        session.setAttribute("CHUYENTAU", chuyentau);
                        session.setAttribute("LOAITAU", loaitau);
                        session.setAttribute("LOAITOA", loaitoa);
                        session.setAttribute("GIAVE", giave);
                    }
                }
                if (loaitoa.equals("giuongnam")) {
                    response.sendRedirect("GiuongNam.jsp");
                } else {
                    response.sendRedirect("GheNgoi.jsp");
                }
            } catch (Exception ex) {
                String TITLE = "ĐẶT VÉ THẤT BẠI";
                String CONTENT = "";
                StringWriter content = new StringWriter();
                content.append("Đã xảy ra lỗi trong quá trình đặt vé. Quý khách cần nhập đầy đủ thông tin.");
                content.append("Click vao <a href = 'DatVeOnline.jsp'>đây</a> để đặt vé tiếp tục.");

                content.close();
                CONTENT = content.toString();
                /**
                 * Xuất nội dung với một template cho sẵn
                 */
                Hashtable<String, String> data = new Hashtable<String, String>();
                data.put("TITLE", TITLE);
                data.put("CONTENT", CONTENT);
                String viewPath = "/View/template.html";
                String absolutepath = getServletContext().getRealPath(viewPath);
                String webcontent = MyUltilities.readFile(absolutepath, UTF_8);
                webcontent = MyUltilities.replace(data, webcontent);
                out.println(webcontent);
            }
        }
    }
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
